7.1

CVE-2022-48999

ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference

In the Linux kernel, the following vulnerability has been resolved:

ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference

Gwangun Jung reported a slab-out-of-bounds access in fib_nh_match:
    fib_nh_match+0xf98/0x1130 linux-6.0-rc7/net/ipv4/fib_semantics.c:961
    fib_table_delete+0x5f3/0xa40 linux-6.0-rc7/net/ipv4/fib_trie.c:1753
    inet_rtm_delroute+0x2b3/0x380 linux-6.0-rc7/net/ipv4/fib_frontend.c:874

Separate nexthop objects are mutually exclusive with the legacy
multipath spec. Fix fib_nh_match to return if the config for the
to be deleted route contains a multipath spec while the fib_info
is using a nexthop object.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.3 < 5.4.226
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.158
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.82
Linux ≫ Linux Kernel Version >= 5.16 < 6.0.12
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.165
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.1 1.8 5.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

https://git.kernel.org/stable/c/0b5394229ebae09afc07aabccb5ffd705ffd250e
Patch
https://git.kernel.org/stable/c/25174d91e4a32a24204060d283bd5fa6d0ddf133
Patch
https://git.kernel.org/stable/c/61b91eb33a69c3be11b259c5ea484505cd79f883
Patch
https://git.kernel.org/stable/c/bb20a2ae241be846bc3c11ea4b3a3c69e41d51f2
Patch
https://git.kernel.org/stable/c/cc3cd130ecfb8b0ae52e235e487bae3f16a24a32
Patch